[gcc(refs/vendors/ARM/heads/gcs)] aarch64: Add ACLE feature macros for GCS

[Szabolcs Nagy via Gcc-cvs]

https://gcc.gnu.org/g:f94cfdab086f521592939f03408f59f39a4bdd5a

commit f94cfdab086f521592939f03408f59f39a4bdd5a
Author: Szabolcs Nagy <szabolcs.n...@arm.com>
Date:   Tue May 9 17:04:34 2023 +0100

    aarch64: Add ACLE feature macros for GCS
    
    gcc/ChangeLog:
    
            * config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Define
            macros for GCS.

Diff:
---
 gcc/config/aarch64/aarch64-c.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/config/aarch64/aarch64-c.cc b/gcc/config/aarch64/aarch64-c.cc
index fe1a20e4e54..64c34e73573 100644
--- a/gcc/config/aarch64/aarch64-c.cc
+++ b/gcc/config/aarch64/aarch64-c.cc
@@ -246,6 +246,9 @@ aarch64_update_cpp_builtins (cpp_reader *pfile)
 
   aarch64_def_or_undef (TARGET_PAUTH, "__ARM_FEATURE_PAUTH", pfile);
   aarch64_def_or_undef (TARGET_BTI, "__ARM_FEATURE_BTI", pfile);
+  aarch64_def_or_undef (aarch64_gcs_enabled (),
+                       "__ARM_FEATURE_GCS_DEFAULT", pfile);
+  aarch64_def_or_undef (TARGET_GCS, "__ARM_FEATURE_GCS", pfile);
   aarch64_def_or_undef (TARGET_I8MM, "__ARM_FEATURE_MATMUL_INT8", pfile);
   aarch64_def_or_undef (TARGET_BF16_SIMD,
                        "__ARM_FEATURE_BF16_VECTOR_ARITHMETIC", pfile);